18320276

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{41}}^1\times {\mathrm{661}}^1$

素因数の和:732

約数の個数: 36

約数和(自身を含む): 35616924

約数和(自身を除く): 17296648

約数列:

[1, 2, 4, 13, 26, 41, 52, 82, 164, 169, 338, 533, 661, 676, 1066, 1322, 2132, 2644, 6929, 8593, 13858, 17186, 27101, 27716, 34372, 54202, 108404, 111709, 223418, 352313, 446836, 704626, 1409252, 4580069, 9160138, 18320276]

約数ペア:

[(1, 18320276), (2, 9160138), (4, 4580069), (13, 1409252), (26, 704626), (41, 446836), (52, 352313), (82, 223418), (164, 111709), (169, 108404), (338, 54202), (533, 34372), (661, 27716), (676, 27101), (1066, 17186), (1322, 13858), (2132, 8593), (2644, 6929)]